991 hedge funds and large institutions have $50.9B invested in Biogen in 2017 Q2 according to their latest regulatory filings, with 79 funds opening new positions, 351 increasing their positions, 390 reducing their positions, and 96 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
991
Holders Change
-27
Holders Change %
-2.65%
% of All Funds
24.74%
Holding in Top 10
23
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-14.81%
% of All Funds
0.57%
New
79
Increased
351
Reduced
390
Closed
96
Calls
$954M
Puts
$1.14B
Net Calls
-$182M
Net Calls Change
+$82.6M
Name Holding Trade Value Shares
Change
Shares
Change %
DekaBank Deutsche Girozentrale
126
DekaBank Deutsche Girozentrale
Germany
$51.5M -$921K -3,374 -2%
WA
127
WestEnd Advisors
North Carolina
$51.5M -$4.1M -15,124 -7%
State of Tennessee, Department of Treasury
128
State of Tennessee, Department of Treasury
Tennessee
$51.3M -$3.84M -14,167 -7%
ProShare Advisors
129
ProShare Advisors
Maryland
$50.3M +$5.58M +20,557 +12%
TD Asset Management
130
TD Asset Management
Ontario, Canada
$48.6M -$2.92M -10,761 -6%
Citigroup
131
Citigroup
New York
$48.6M +$12.3M +45,172 +34%
BS
132
Banco Santander
Spain
$47.5M +$47.5M +175,000 New
National Pension Service
133
National Pension Service
South Korea
$46.1M +$3.77M +13,864 +9%
GAM
134
Gotham Asset Management
New York
$44.1M -$30.7M -112,996 -41%
GIA
135
Gateway Investment Advisers
Ohio
$43.4M +$4.14M +15,260 +11%
Arrowstreet Capital
136
Arrowstreet Capital
Massachusetts
$43.2M +$41.8M +154,200 +3,024%
WRF
137
Waddell & Reed Financial
Kansas
$43M -$52.5M -193,633 -55%
FQ
138
First Quadrant
California
$42.5M +$11M +40,534 +35%
PC
139
PointState Capital
New York
$42.3M -$48.2M -177,570 -53%
LCP
140
LGT Capital Partners
Switzerland
$41.3M +$9.37M +34,524 +29%
Robeco Institutional Asset Management
141
Robeco Institutional Asset Management
Netherlands
$41.1M -$1.1M -4,072 -3%
WCM
142
Wedge Capital Management
North Carolina
$40.8M -$2.06M -7,608 -5%
ECP
143
Empyrean Capital Partners
California
$40.7M +$40.7M +150,000 New
Alyeska Investment Group
144
Alyeska Investment Group
Illinois
$40.6M +$40.6M +149,507 New
Stifel Financial
145
Stifel Financial
Missouri
$40.2M +$9.48M +34,992 +31%
First Trust Advisors
146
First Trust Advisors
Illinois
$39.9M -$3.55M -13,096 -8%
Korea Investment Corp
147
Korea Investment Corp
South Korea
$39.8M -$2.15M -7,920 -5%
Ohio Public Employees Retirement System (OPERS)
148
Ohio Public Employees Retirement System (OPERS)
Ohio
$39.8M -$941K -3,468 -2%
Retirement Systems of Alabama
149
Retirement Systems of Alabama
Alabama
$39.4M -$215K -791 -0.5%
Los Angeles Capital Management
150
Los Angeles Capital Management
California
$38.7M -$39.4M -145,274 -50%